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Are low wages risk factors for hypertension?

Authors
Leigh-JP; Du-J
Source
Eur J Public Health 2012 Dec; 22(6):854-859
NIOSHTIC No.
20040221
Abstract
OBJECTIVE: Socio-economic status (SES) is strongly correlated with hypertension. But SES has several components, including income and correlations in cross-sectional data need not imply SES is a risk factor. This study investigates whether wages-the largest category within income-are risk factors. METHODS: We analysed longitudinal, nationally representative US data from four waves (1999, 2001, 2003 and 2005) of the Panel Study of Income Dynamics. The overall sample was restricted to employed persons age 25-65 years, n = 17,295. Separate subsamples were constructed of persons within two age groups (25-44 and 45-65 years) and genders. Hypertension incidence was self-reported based on physician diagnosis. Our study was prospective since data from three base years (1999, 2001, 2003) were used to predict newly diagnosed hypertension for three subsequent years (2001, 2003, 2005). In separate analyses, data from the first base year were used to predict time-to-reporting hypertension. Logistic regressions with random effects and Cox proportional hazards regressions were run. RESULTS: Negative and strongly statistically significant correlations between wages and hypertension were found both in logistic and Cox regressions, especially for subsamples containing the younger age group (25-44 years) and women. Correlations were stronger when three health variables-obesity, subjective measures of health and number of co-morbidities-were excluded from regressions. Doubling the wage was associated with 25-30% lower chances of hypertension for persons aged 25-44 years. CONCLUSIONS: The strongest evidence for low wages being risk factors for hypertension among working people were for women and persons aged 25-44 years.
Keywords
Hypertension; Risk-analysis; Risk-factors; Job-analysis; Job-stress; Sociological-factors; Employee-health; Public-health; Mathematical-models; Statistical-analysis; Age-groups; Sex-factors; Women
Contact
Paul Leigh, Division of Epidemiology, Department of Public Health Sciences, UC Davis Medical School, MS1C room 122, CA 95616-8638, USA,
CODEN
EJPHF6
Publication Date
20121201
Document Type
Journal Article
Email Address
pleigh@ucdavis.edu
Funding Type
Grant; Cooperative Agreement; Agriculture
Fiscal Year
2013
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-008248; Cooperative-Agreement-Number-U54-OH-007550; B02012012
ISSN
1101-1262
Source Name
European Journal of Public Health
State
CA; VA
Performing Organization
University of California - Davis
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